Background

Mr. David C. Carroll has been the President and Chief Executive Officer of Gas Technology Institute since August 2006. Mr. Carroll oversees GTI's operations and directs its programs for developing technologies, products and services that create exceptional value for customers in the natural gas and related industries. Mr. Carroll joined Gas Technology Institute in 2001 as Vice President of Business Development. From 1996 to 2001, he served at Praxair, Inc. At Praxair, ... Mr. Carroll served as Director of Business Development from 1999 to 2001, and served as General Manager of a strategic business unit from 1977 to 1999, directing a 70-person staff in sales, marketing, engineering, financial and technical service functions. Mr. Carroll held positions of increasing responsibility with Liquid Carbonic Industries, a subsidiary of Chicago Bridge & Iron from 1994 to 1996, where he directed energy supply efforts, and with Air Products and Chemicals, Inc. from 1980 to 1994. Mr. Carroll serves as Director of Gas Technology Institute. He has been Director of Changing World Technologies, Inc. since November 2006. He has been a Director of National Fuel Gas Company since June 7, 2012. He served as a Director of CrystaTech Inc. He is a member of the Society of Gas Lighting, and serves as Director of Versa Power Systems, a developer, manufacturer, and distributor of solid oxide fuel cell (SOFC) systems. He served as Director of WestStart/CALSTART. Mr. Carroll earned a Bachelor of Science degree in chemical engineering from the University of Pittsburgh and a master's degree in business administration from Lehigh University and has completed the Stanford Executive Program at Stanford University's Graduate School of Business.

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